Marcin Kowalczyk
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Revision as of 08:11, 6 September 2012 by Macky (talk | contribs) (→External links: un-https'ed youtube link)
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Marcin Kowalczyk is a Polish speedcuber specializing in blindfolded cubing.
Marcin set the multi-blind world record of 26/29 in August, 2012, at Polish Nationals 2012.